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Proceedings Paper

Optical breakdown and absorption of radiation of powerful pulse-periodic CO2 laser in a supersonic air stream
Author(s): Aleksey N. Malov; Anatoliy M. Orishich; Tatjana A. Bobarykina; Vladimir F. Chirkashenko
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Paper Abstract

The paper presents the results of the study of the CO2 laser radiation absorption in the optical-breakdown plasma in a supersonic air stream. The experimental facility and procedures of the absorption coefficient measurement in plasma are described. Experimental dependencies of the radiation absorption have been obtained within the wide range of the gasdynamic parameters of the supersonic air stream (velocity, static pressure, density, Mach number). The results are helpful to choose the working modes of the wind tunnel to choose the influence of the energy supply into the supersonic stream on the sonic boom formation and its level.

Paper Details

Date Published: 16 November 2010
PDF: 7 pages
Proc. SPIE 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 775124 (16 November 2010); doi: 10.1117/12.882155
Show Author Affiliations
Aleksey N. Malov, Khristianovich Institute of Theoretical and Applied Mechanics (Russian Federation)
Anatoliy M. Orishich, Khristianovich Institute of Theoretical and Applied Mechanics (Russian Federation)
Tatjana A. Bobarykina, Khristianovich Institute of Theoretical and Applied Mechanics (Russian Federation)
Vladimir F. Chirkashenko, Khristianovich Institute of Theoretical and Applied Mechanics (Russian Federation)


Published in SPIE Proceedings Vol. 7751:
XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Tanja Dreischuh; Petar A. Atanasov; Nikola V. Sabotinov, Editor(s)

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